Contributions of very large-scale motions to turbulence statistics in open channel flows

Y Duan, Q Chen, D Li, Q Zhong - Journal of fluid mechanics, 2020 - cambridge.org
Time-resolved particle image velocimetry measurements were performed in smooth-walled
open channels to investigate the contributions of very large-scale motions (VLSMs) to the …

Numerical Investigation of 3D Flow Properties around Finite Emergent Vegetation by Using the Two-Phase Volume of Fluid (VOF) Modeling Technique.

N Tanaka - Fluids, 2022 - search.ebscohost.com
This study predicts how the Free Surface Level (FSL) variations around finite length
vegetation affect flow structure by using a numerical simulation. The volume of fluid (VOF) …

Numerical investigation of semifilled-pipe flow

J Brosda, M Manhart - Journal of Fluid Mechanics, 2022 - cambridge.org
This study describes turbulent flow in a semifilled pipe with a focus on its secondary
currents. To the authors' knowledge, we provide the first highly resolved data-set for …

Turbulence study in the vicinity of piano key weir: relevance, instrumentation, parameters and methods

H Tiwari, N Sharma - Applied Water Science, 2017 - Springer
This research paper focuses on the need of turbulence, instruments reliable to capture
turbulence, different turbulence parameters and some advance methodology which can …

Wall turbulence response to surface cooling and formation of strongly stable stratified boundary layers

A Atoufi, KA Scott, ML Waite - Physics of fluids, 2019 - pubs.aip.org
This paper investigates the processes by which stable boundary layers are formed through
strong surface cooling imposed on neutrally stratified wall-bounded turbulence using high …

Additional spanwise vortices near the free surface in open channel flows

Y Duan, Q Zhong, G Wang, Q Chen… - Journal of Fluid …, 2021 - cambridge.org
This paper reports a new phenomenon in the near-free-surface region of open channel
flows (OCFs): namely that higher relative population densities of spanwise vortices are …

Application of continuous wavelet transform to the study of large-scale coherent structures

A Kanani, AM Ferreira da Silva - Environmental Fluid Mechanics, 2015 - Springer
It is generally recognized that large-scale turbulent coherent structures play an important
role in the transport of sediment and contaminants in rivers. They are also believed to be …

Numerical Investigation of 3D Flow Properties around Finite Emergent Vegetation by Using the Two-Phase Volume of Fluid (VOF) Modeling Technique

Amina, N Tanaka - Fluids, 2022 - mdpi.com
This study predicts how the Free Surface Level (FSL) variations around finite length
vegetation affect flow structure by using a numerical simulation. The volume of fluid (VOF) …

Computational multiscale methods for turbulent single and two-phase flows

U Rasthofer - 2015 - mediatum.ub.tum.de
In this thesis, computational multiscale methods for turbulent single and two-phase flows are
considered. For large-eddy simulation of turbulent single-phase incompressible flow, a …

[HTML][HTML] Interaction of turbulences with non-breaking divergent waves in an open channel

A Hwang, W Seok, SB Lee - International Journal of Naval Architecture and …, 2021 - Elsevier
This paper presents a direct numerical simulation of turbulent flows over a bump in an open
channel to examine the turbulence characteristics near divergent waves emanating from the …